Scientists have suggested that the new mutated coronavirus strain could more easily infect children.
Data indicates that the variant, dubbed VUI-202012/01, may be able to better spread among youngsters than other strains, according to experts, but the analysis is still ongoing.
“There is a hint that it has a higher propensity to infect children that may perhaps explain some of the differences, but we haven’t established any sort of causality on that but we can see that in the data," said Professor Neil Ferguson, a scientist on the Government’s New and Emerging Respiratory Virus Threats advisory group (NervTag)
He added: “What we’ve seen is, during the lockdown in England we saw a general distribution of the virus towards children, and that was true in the variant and the non-variant, and it is what we would expect, given that we had locked down which reduced adult contact but schools were still open.
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“But what we’ve seen over the course of a five or six-week period is consistently the proportion of pillar two cases for the variant in under-15s was statistically significantly higher than the non-variant virus.
“We are still investigating the significance of that.”
Prof Ferguson continued: “This is a hypothesis at the moment – it’s not been proven.
“But if it were true, then this might explain a significant proportion, maybe even the majority, of the transmission increase seen.
“But a lot more work needs to be done to actually explore this in more detail.”
But NervTag member Professor Wendy Barclay, head of the department of infectious disease, Imperial College London, urged caution about what is said regarding spread among children.
She said: “We are not saying that this is a virus which specifically attacks children.
“We know that SARS-CoV-2, as it emerged as a virus, was not as efficient in infecting children as it was adults, and there are many hypotheses about that.
“And again, if the (new) virus is having an easier time of finding an entrance cell then that would put children on a more level playing field.”
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She added: “Therefore children are equally susceptible perhaps to this virus as adults, and therefore given their mixing patterns, you would expect to see more children being infected.
“It’s not just the viruses specifically targeting them, but it’s just that it’s now less inhibited, if you like, to get into the children.”
Prof Ferguson said that the latest estimates were that the virus could be between 50% to 70% more transmissible than the old virus variant.
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